Examine source code of Intranet Access BETA

{
  "manifest_version": 3,
  "name": "Intranet Access BETA",
  "description": "THIS EXTENSION IS FOR BETA TESTING",
  "version": "1.0.1",
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestAuthProvider"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "infranet-access@f213.in",
      "strict_min_version": "112.0"
    }
  },
  "host_permissions": [
    "https://basecamp.com/*",
    "https://*.basecamp.com/*"
  ],
  "background": {
    "scripts": [
      "proxy.js",
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html"
  }
}